212322223211 has 8 divisors (see below), whose sum is σ = 243025573344. Its totient is φ = 181711774080.

The previous prime is 212322223189. The next prime is 212322223213. The reversal of 212322223211 is 112322223212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212322223211 - 2⁶ = 212322223147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322223213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23220350 + ... + 23229491.

It is an arithmetic number, because the mean of its divisors is an integer number (30378196668).

Almost surely, 2^212322223211 is an apocalyptic number.

212322223211 is a deficient number, since it is larger than the sum of its proper divisors (30703350133).

212322223211 is an equidigital number, since it uses as much as digits as its factorization.

212322223211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46450501.

The product of its digits is 1152, while the sum is 23.

Adding to 212322223211 its reverse (112322223212), we get a palindrome (324644446423).

Subtracting from 212322223211 its reverse (112322223212), we obtain a palindrome (99999999999).

The spelling of 212322223211 in words is "two hundred twelve billion, three hundred twenty-two million, two hundred twenty-three thousand, two hundred eleven".